SOLUTION: Subtract the radical expressions as indicated. 17 3rd root of 81 - 2 3rd root of 24 How is this done?

Algebra ->  Radicals -> SOLUTION: Subtract the radical expressions as indicated. 17 3rd root of 81 - 2 3rd root of 24 How is this done?      Log On


   

Question 107844: Subtract the radical expressions as indicated.
17 3rd root of 81 - 2 3rd root of 24
How is this done?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
first factor any whole 3rd roots ... 17(3rd root(27*3))-2(3rd root(8*3))

17*3(3rd root(3))-2*2(3rd root(3))=51(3rd root(3))-4(3rd root(3))